| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef __MTD_FLASHCHIP_H__ |
| 13 | #define __MTD_FLASHCHIP_H__ |
| 14 | |
| 15 | #include <linux/sched.h> |
| 16 | |
| 17 | typedef enum { |
| 18 | FL_READY, |
| 19 | FL_STATUS, |
| 20 | FL_CFI_QUERY, |
| 21 | FL_JEDEC_QUERY, |
| 22 | FL_ERASING, |
| 23 | FL_ERASE_SUSPENDING, |
| 24 | FL_ERASE_SUSPENDED, |
| 25 | FL_WRITING, |
| 26 | FL_WRITING_TO_BUFFER, |
| 27 | FL_OTP_WRITE, |
| 28 | FL_WRITE_SUSPENDING, |
| 29 | FL_WRITE_SUSPENDED, |
| 30 | FL_PM_SUSPENDED, |
| 31 | FL_SYNCING, |
| 32 | FL_UNLOADING, |
| 33 | FL_LOCKING, |
| 34 | FL_UNLOCKING, |
| 35 | FL_POINT, |
| 36 | FL_XIP_WHILE_ERASING, |
| 37 | FL_XIP_WHILE_WRITING, |
| 38 | FL_UNKNOWN |
| 39 | } flstate_t; |
| 40 | |
| 41 | struct flchip { |
| 42 | unsigned long start; |
| 43 | |
| 44 | int ref_point_counter; |
| 45 | flstate_t state; |
| 46 | flstate_t oldstate; |
| 47 | |
| 48 | unsigned int write_suspended:1; |
| 49 | unsigned int erase_suspended:1; |
| 50 | unsigned long in_progress_block_addr; |
| 51 | |
| 52 | spinlock_t *mutex; |
| 53 | spinlock_t _spinlock; |
| 54 | wait_queue_head_t wq; |
| 55 | int word_write_time; |
| 56 | int buffer_write_time; |
| 57 | int erase_time; |
| 58 | |
| 59 | void *priv; |
| 60 | }; |
| 61 | |
| 62 | struct flchip_shared { |
| 63 | spinlock_t lock; |
| 64 | struct flchip *writing; |
| 65 | struct flchip *erasing; |
| 66 | }; |
| 67 | |
| 68 | #endif |